POLYURETHANE ADHESIVE COMPOSITION Russian patent published in 2010 - IPC C09J175/04 C08L75/04 C08G18/10 

FIELD: chemistry.

SUBSTANCE: invention relates to a polyurethane adhesive composition which can be used for gluing materials, concrete, leather, wood etc. The composition contains the following in pts. wt: 20-60 moulding polyurethane or wastes from production of moulding polyurethane, 80-40 ε-caprolactam, 5-50 isocyanate and 100-300 organic polar solvent.

EFFECT: composition increases adhesion strength of substrates, has low cost due to use of readily available and cheaper components, as well as reduced pollution of the environment due to recycling of wastes from production of moulding polyurethane.

5 ex, 1 tbl